問題詳情

19.Which device is used in a diesel engine to inject a metered quantity of lubricating oil into thecylinder as the piston ring pack passes the injection points?
(A) Lubricator
(B)Camshaft
(C)Crosshead
(D)Piston rod

參考答案

答案:A
難度:簡單0.7
統計:A(21),B(3),C(2),D(1),E(0)

內容推薦

內容推薦